Reducer valve for pressurized gas
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United States of America Patent
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Oct 17, 2006
Issued Date -
N/A
app pub date -
Apr 28, 2003
filing date -
Apr 27, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A reducer valve for pressurized gas includes a piston (2) displaceably mounted in a valve housing (3) against the force of a pressure spring (8). At one end, the piston (2) is subjected to pressure by the back pressure via a control pressure line (20) whereby the gas, which flows in from a pressurized gas source via a gas inlet (17), is throttled. The reducer valve is improved so that a specific gas volume remains in the connected pressurized gas source below a minimum pressure. A directional valve (24, 25) is provided in the control pressure line (20) and opens above a predetermined limit pressure.
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